T18.0
ICD-10Non-billable categoryForeign body in mouth
Official ICD-10-CM descriptor (FY2026)
Foreign body in mouth
T18.0 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Related codes in T18
- T18.1Foreign body in esophaguscategory
- T18.2Foreign body in stomachcategory
- T18.3Foreign body in small intestinecategory
- T18.4Foreign body in coloncategory
- T18.5Foreign body in anus and rectumcategory
- T18.8Foreign body in other parts of alimentary tractcategory
- T18.9Foreign body of alimentary tract, part unspecifiedcategory
Where this code sits
- Parent code
- T18
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.